Como Cambiar La Imagen De Un jButton En Java

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package cambiarimagen;
 
 
public class CambiarImagen{
 
    public static void main(String[] args) {
 
        vista vi = new vista(); //creacion del objeto para el manejo de la vista en el controlador
        controla con = new controla(vi); //creacion del objeto del controlador, se pasa el anterior objeto al constructor
        con.eventos(); //invocacion para el uso de los eventos de la vista
 
    }
 
}

package cambiarimagen; public class CambiarImagen{ public static void main(String[] args) { vista vi = new vista(); //creacion del objeto para el manejo de la vista en el controlador controla con = new controla(vi); //creacion del objeto del controlador, se pasa el anterior objeto al constructor con.eventos(); //invocacion para el uso de los eventos de la vista } }

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package cambiarimagen;
 
 
public class vista extends javax.swing.JFrame {
 
    public vista() {
        initComponents();
    }
 
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {
 
        jb1 = new javax.swing.JButton();
 
        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
 
        jb1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/img/diente.png"))); // NOI18N
        jb1.setFocusPainted(false);
        jb1.setFocusable(false);
        jb1.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
        jb1.setPreferredSize(new java.awt.Dimension(73, 81));
 
        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(107, 107, 107)
                .addComponent(jb1, javax.swing.GroupLayout.PREFERRED_SIZE, 73, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(220, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(113, 113, 113)
                .addComponent(jb1, javax.swing.GroupLayout.PREFERRED_SIZE, 73, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(114, Short.MAX_VALUE))
        );
 
        pack();
    }// </editor-fold>                        
 
 
    // Variables declaration - do not modify                     
    public javax.swing.JButton jb1;
    // End of variables declaration                   
}

package cambiarimagen; public class vista extends javax.swing.JFrame { public vista() { initComponents(); } @SuppressWarnings("unchecked") // <editor-fold defaultstate="collapsed" desc="Generated Code"> private void initComponents() { jb1 = new javax.swing.JButton(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); jb1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/img/diente.png"))); // NOI18N jb1.setFocusPainted(false); jb1.setFocusable(false); jb1.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER); jb1.setPreferredSize(new java.awt.Dimension(73, 81)); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGap(107, 107, 107) .addComponent(jb1, javax.swing.GroupLayout.PREFERRED_SIZE, 73, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(220, Short.MAX_VALUE)) ); layout.setVerticalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGap(113, 113, 113) .addComponent(jb1, javax.swing.GroupLayout.PREFERRED_SIZE, 73, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(114, Short.MAX_VALUE)) ); pack(); }// </editor-fold> // Variables declaration - do not modify public javax.swing.JButton jb1; // End of variables declaration }

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package cambiarimagen;
 
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ImageIcon;
 
public class controla implements ActionListener {
 
    private vista v;
 
    public controla(vista t){
 
        this.v = t;        
        this.v.setVisible(true);
    }
 
    public void eventos(){
        this.v.jb1.addActionListener(this);
    }
 
    @Override
    public void actionPerformed(ActionEvent e) {
        if(e.getSource()==this.v.jb1){
            ImageIcon imagen = new ImageIcon("src/img/dienteVerde.png");
            this.v.jb1.setIcon(imagen);
        }
    }
 
}

package cambiarimagen; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.ImageIcon; public class controla implements ActionListener { private vista v; public controla(vista t){ this.v = t; this.v.setVisible(true); } public void eventos(){ this.v.jb1.addActionListener(this); } @Override public void actionPerformed(ActionEvent e) { if(e.getSource()==this.v.jb1){ ImageIcon imagen = new ImageIcon("src/img/dienteVerde.png"); this.v.jb1.setIcon(imagen); } } }